Convert acre to square meter
1 ac = 4,046.856422 m²
1 ac = 4,046.9 m²
1 ac in every area unit
| microbarn | 4.0469e+37 μb |
| millibarn | 4.0469e+34 mb |
| barn | 4.0469e+31 b |
| square nanometer | 4.0469e+21 nm² |
| square micrometer | 4.0469e+15 μm² |
| circular mil | 7,986,600,000,000 cmil |
| thousand circular mils | 7,986,600,000 kcmil |
| square millimeter | 4,046,900,000 mm² |
| square centimeter | 40,469,000 cm² |
| square inch | 6,272,600 in² |
| square decimeter | 404,690 dm² |
| square foot | 43,560 ft² |
| square yard | 4,840 yd² |
| square meter | 4,046.9 m² |
| tsubo | 1,224.2 tsubo |
| square rod | 160 rd² |
| are | 40.469 a |
| square chain | 10 ch² |
| dunam | 4.0469 dunam |
| rood | 4 rood |
| acre | 1 ac |
| hectare | 0.40469 ha |
| square kilometer | 0.0040469 km² |
| square mile | 0.0015625 mi² |
How the conversion works
Multiply by 4,046.856422 to go from acre to square meter, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? square meter to acre — 1 m² = 0.0002471053815 ac.
acre to square meter — common values
| 1 ac | 4,046.8564 m² |
| 2 ac | 8,093.7128 m² |
| 3 ac | 12,140.569 m² |
| 5 ac | 20,234.282 m² |
| 10 ac | 40,468.564 m² |
| 15 ac | 60,702.846 m² |
| 20 ac | 80,937.128 m² |
| 25 ac | 101,171.41 m² |
| 50 ac | 202,342.82 m² |
| 75 ac | 303,514.23 m² |
| 100 ac | 404,685.64 m² |
| 250 ac | 1,011,714.1 m² |
| 500 ac | 2,023,428.2 m² |
| 1000 ac | 4,046,856.4 m² |